
function isIE(){ //ie?
	if (window.navigator.userAgent.toLowerCase().indexOf("msie")>=1)
		return true;
	else
		return false;
}

if(!isIE()){ //firefox innerText define
	HTMLElement.prototype.__defineGetter__( "innerText",
			function(){
		var anyString = "";
		var childS = this.childNodes;
		for(var i=0; i <childS.length; i++) {
			if(childS[i].nodeType==1)
				anyString += childS[i].tagName=="BR" ? '\n' : childS[i].innerText;
			else if(childS[i].nodeType==3)
				anyString += childS[i].nodeValue;
		}
		return anyString;
	}
	);
	HTMLElement.prototype.__defineSetter__( "innerText",
			function(sText){
		this.textContent=sText;
	}
	);
}

function createRequest(){
	try{
		request = new XMLHttpRequest();
	}catch(trymicrosoft){
		try{
			request = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(othermicrosoft){
			try{
				request = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(failed){
				request = false;
				alert("failed");
			}

		}
	}
}
